<template>
    <div class="order-list">
        <order-header title="订单列表">
            <template v-slot:tip>
                <span>请谨防钓鱼链接或诈骗电话，了解更多></span>
            </template>
        </order-header>
        <div class="wrapper">
            <div class="container">
                <div class="order-box">
                    <loading v-if="loading"></loading>
                    <div class="order" v-for="(order,index) in list" :key="index">
                        <div class="order-title">
                            <div class="item-info fl">
                                {{order.createTime}}
                                <span>|</span>
                                {{order.receiverName}}
                                <span>|</span>
                                订单号：{{order.orderNo}}
                                <span>|</span>
                                {{order.paymentTypeDesc}}
                            </div>
                            <div class="item-money fr">
                                <span>应付金额：</span>
                                <span class="money">{{order.payment}}</span>
                                <span>元</span>
                            </div>
                        </div>
                        <div class="order-content clearfix">
                            <div class="good-box fl">
                                <div class="good-list" v-for="(item,i) in order.orderItemVoList" :key="i">
                                    <div class="good-img">
                                        <img v-lazy="item.productImage" alt="">
                                    </div>
                                    <div class="good-name">
                                        <div class="p-name">{{item.productName}}</div>
                                        <div class="p-money">{{item.totalPrice + 'X' + item.quantity}}元</div>
                                    </div>
                                </div>
                            </div>
                            <div class="good-state fr" v-if="order.status == 20">
                                <a href="javascript:;">{{order.statusDesc}}</a>
                            </div>
                            <div class="good-state fr" v-else>
                                <a href="javascript:;" @click="goPay(order.orderNo)">{{order.statusDesc}}</a>
                            </div>
                        </div>
                    </div>
                    <el-pagination
                            v-if="true"
                            class="pagination"
                            background
                            layout="prev, pager, next"
                            :pageSize="pageSize"
                            :total="total"
                            @current-change="handleChange"
                    >
                    </el-pagination>
                    <div class="load-more" v-if="false">
                        <el-button type="primary" :loading="loading" @click="loadMore">加载更多</el-button>
                    </div>
                    <div class="scroll-more"
                         v-infinite-scroll="scrollMore"
                         infinite-scroll-disabled="true"
                         infinite-scroll-distance="410"
                         v-if="false"
                    >
                        <img src="/imgs/loading-svg/loading-spinning-bubbles.svg" alt="" v-show="loading">
                    </div>
                    <no-data v-if="!loading && list.length==0"></no-data>
                </div>
            </div>
        </div>
    </div>
</template>
<script>
    import OrderHeader from './../components/OrderHeader'
    import Loading from './../components/Loading'
    import NoData from './../components/NoData'
    import { Pagination,Button } from 'element-ui'
    import infiniteScroll from 'vue-infinite-scroll'
    export default{
        name:'order-list',
        components:{
            OrderHeader,
            Loading,
            NoData,
            [Pagination.name]:Pagination,
            [Button.name]:Button
        },
        directives: {
            infiniteScroll
        },
        data(){
            return {
                loading:false,
                list:[],
                pageSize:10,
                pageNum:1,
                total:0,
                showNextPage:true,//加载更多：是否显示按钮
                busy:false,//滚动加载，是否触发
            }
        },
        mounted(){
            this.getOrderList();
        },
        methods:{
            getOrderList(){
                this.loading = true;
                this.busy = true;
                this.axios.get('/orders',{
                    params:{
                        pageSize:10,
                        pageNum:this.pageNum
                    }
                }).then((res)=>{
                    this.loading = false;
                    this.list = this.list.concat(res.list);
                    this.total = res.total;
                    this.showNextPage = res.hasNextPage;
                    this.busy = false;
                }).catch(()=>{
                    this.loading = false;
                })
            },
            goPay(orderNo){
                // 三种路由跳转方式
                // this.$router.push('/order/pay')
                /*this.$router.push({
                  name:'order-pay',
                  query:{
                    orderNo
                  }
                })*/
                this.$router.push({
                    path:'/order/pay',
                    query:{
                        orderNo
                    }
                })
            },
            // 第一种方法：分页器
            handleChange(pageNum){
                this.pageNum = pageNum;
                this.getOrderList();
            },
            // 第二种方法：加载更多按钮
            loadMore(){
                this.pageNum++;
                this.getOrderList();
            },
            // 第三种方法：滚动加载，通过npm插件实现
            scrollMore(){
                this.busy = true;
                setTimeout(()=>{
                    this.pageNum++;
                    this.getList();
                },500);
            },
            // 专门给scrollMore使用
            getList(){
                this.loading = true;
                this.axios.get('/orders',{
                    params:{
                        pageSize:10,
                        pageNum:this.pageNum
                    }
                }).then((res)=>{
                    this.list = this.list.concat(res.list);
                    this.loading = false;
                    if(res.hasNextPage){
                        this.busy=false;
                    }else{
                        this.busy=true;
                    }
                });
            },
        }
    }
</script>
<style lang="scss" scoped>
    @import '../assets/scss/config.scss';
    @import '../assets/scss/mixin.scss';
    .order-list{
        .wrapper{
            background-color:$colorJ;
            padding-top:33px;
            padding-bottom:110px;
            .order-box{
                .order{
                    @include border();
                    background-color:$colorG;
                    margin-bottom:31px;
                    &:last-child{
                        margin-bottom:0;
                    }
                    .order-title{
                        @include height(74px);
                        background-color:$colorK;
                        padding:0 43px;
                        font-size:16px;
                        color:$colorC;
                        .item-info{
                            span{
                                margin:0 9px;
                            }
                        }
                        .money{
                            font-size:26px;
                            color:$colorB;
                        }
                    }
                    .order-content{
                        padding:0 43px;
                        .good-box{
                            width:88%;
                            .good-list{
                                display: flex;
                                align-items: center;
                                height:145px;
                                .good-img{
                                    width:112px;
                                    img{
                                        width:100%;
                                    }
                                }
                                .good-name{
                                    font-size:20px;
                                    color:$colorB;
                                }
                            }
                        }
                        .good-state{
                            @include height(145px);
                            font-size: 20px;
                            color:$colorA;
                            a{
                                color:$colorA;
                            }
                        }
                    }
                }
                .pagination{
                    text-align:right;
                }
                .el-pagination.is-background .el-pager li:not(.disabled).active{
                    background-color: #FF6600;
                }
                .el-button--primary{
                    background-color: #FF6600;
                    border-color: #FF6600;
                }
                .load-more,.scroll-more{
                    text-align:center;
                }
            }
        }
    }
</style>